초록 ▼

A concrete placing apparatus is provided for placing uncured concrete on a support surface, such as an elevated deck of a building. The apparatus comprises a base unit and a movable support, with a conduit assembly extending therebetween. A supply end of the conduit assembly is positioned at the bas

A concrete placing apparatus is provided for placing uncured concrete on a support surface, such as an elevated deck of a building. The apparatus comprises a base unit and a movable support, with a conduit assembly extending therebetween. A supply end of the conduit assembly is positioned at the base unit and is connected to a supply line for uncured concrete or other material, while a dispensing end of the conduit assembly is supported by the movable support and extends outwardly therefrom to dispense uncured concrete or other material through a discharge outlet. The movable support is movable arcuately and/or radially relative to the base unit to dispense the concrete in a generally uniform manner over a targeted area. The apparatus may further include a screeding device at the discharge outlet to grade, level, compact and smooth the concrete as it is placed.

대표청구항 ▼

A concrete placing apparatus is provided for placing uncured concrete on a support surface, such as an elevated deck of a building. The apparatus comprises a base unit and a movable support, with a conduit assembly extending therebetween. A supply end of the conduit assembly is positioned at the bas

A concrete placing apparatus is provided for placing uncured concrete on a support surface, such as an elevated deck of a building. The apparatus comprises a base unit and a movable support, with a conduit assembly extending therebetween. A supply end of the conduit assembly is positioned at the base unit and is connected to a supply line for uncured concrete or other material, while a dispensing end of the conduit assembly is supported by the movable support and extends outwardly therefrom to dispense uncured concrete or other material through a discharge outlet. The movable support is movable arcuately and/or radially relative to the base unit to dispense the concrete in a generally uniform manner over a targeted area. The apparatus may further include a screeding device at the discharge outlet to grade, level, compact and smooth the concrete as it is placed. esses of the driven part. 8. The combination according to claim 1 wherein the sidewall of each of the driven teeth includes a convexly curved tip; and the sidewall of each of the recesses in which the driven teeth are received includes a convexly curved floor disposed radially opposite the convexly curved tip of the respective driven tooth. 9. In combination: a driven tool defining an axis of rotation and including a body having at least one seat for receiving a cutting insert; a drive member for driving the tool about the axis; and a securing element for securing the driven tool to the drive member; the driven tool including a driven part rotatable about the axis, and the drive member including a drive part rotatable about the axis and mated with the driven part to form a drive coupling therewith, the drive part and the driven part being conical as viewed in a longitudinal section plane containing the axis, and being arranged one inside of the other, the driven part including driven teeth projecting generally radially with respect to the axis and received in respective radially-open recesses formed in the drive part; each of the driven teeth terminating in an axially facing wall and including a sidewall contacting a sidewall of the recess, a curvature of the tooth sidewall being different from a curvature of the recess sidewall at locations where those sidewalls contact one another, wherein such contact is in the form of a point contact on each side of a generally radial line of symmetry of the respective tooth as viewed in a direction parallel to the axis; each of the contact points being operable to transmit a drive force from the drive part of the driven part in a respective direction of rotation; each of the contact points defining a tangent line, wherein the drive force is transmitted along a line of force oriented perpendicular to a respective tangent line; wherein a driving angle is formed between the line of symmetry and each tangent line, each driving angle being in the range of -5° to +45°; wherein the driven teeth project from a first axially facing surface of the driven tool; the recesses being formed in a second axially facing surface of the drive member; the first and second axially facing surfaces opposing one another and spaced apart axially to form a first axial gap; each of the teeth terminating axially in a first axially facing wall; each of the recesses terminating in a second axially facing wall; the first axially facing walls opposing respective second axially facing walls and spaced therefrom to form respective second axial gaps larger than the first axial gap. 126360, 20001000, May et al., 404/014; US-6168276, 20010100, Weid, 404/012; US-6174103, 20010100, Stroman, 404/015 rol transmittal and reception of information by the printer-based antenna, said printer further comprising a belt unit adapted to engage and disengage with a belt cartridge, said apparatus comprising: a belt cartridge adapted to receive the photosensitive belt for the printer, so that the photosensitive belt can be installed at the belt unit of the printer, said belt cartridge removably insertable into the belt unit of the printer; a cartridge-based antenna installed on the belt cartridge and adapted to communicate with the printer-based antenna; and a component-identifying module installed on the belt cartridge and electronically coupled to the cartridge-based antenna, said component-identifying module adapted to transmit and receive information concerning the photosensitive belt and operational parameters thereof or concerning the printer, said information such as to facilitate automatic installation of a new belt and making it operational without manual adjustment by service personnel, said component-identifying module comprising a memory for recording a plurality of data items adapted for facilitating automatic installation of a new belt and making it operational without manual adjustment by service personnel, said plurality of data items selected from a data set comprising: a first data item including the name, name of manufacturer, manufacture data, and usable life of a component installed in the belt cartridge; a second data item representative of an intensity of light for illuminating the photosensitive belt in order to remove an electrostatic latent image; a third data item representative of a value of an electric potential to be applied to the photosensitive belt; and a fourth data item representative of an intensity of light to be emitted from laser scanning units of the printer apparatus. 7. The apparatus of claim 6, wherein the component-identifying module comprises a rectifying circuit adapted to rectify an electromagnetic wave received via the cartridge-based antenna and produce therefrom a rectified current, and adapted to use the rectified current as driving power for the module. 8. A method of communicating information in an apparatus for replacing a photosensitive belt for a printer, said method adapted for automatically installing a new belt and making it operational without manual adjustment by service personnel, said printer comprising: a belt cartridge adapted to receive a photosensitive belt so that the photosensitive belt can be installed at the belt of the printer; a first antenna installed on the belt cartridge; a second antenna installed the printer; and a component-identifying module installed on the belt cartridge and adapted to be electronically coupled to the first antenna to transmit and receive information between the component-identifying module and a controller which controls the printer via the second antenna, said information such as to facilitate automatic installation of a new belt and making it operational without manual adjustment by service personnel, the method comprising steps, performed by the component-identifying module, for: (a) deciding whether or not a preset code signal for determining whether to communicate with an external device, exists in the information received by the first antenna; (b) performing communication with the external device when the code signal exists in the received information in step (a); and (c) breaking communication with the external device to prevent the information recorded in the component identifying module from being leaked when the code signal does not exist in the received information in step (a). 9. A method for replacing a photosensitive belt of an image-forming apparatus without depending on individual performance of a manual adjustment job by service personnel, said photosensitive belt and said image-forming apparatus requiring, upon a belt-replacement, adjustment in accordance with information concerning a pluralit y of operating parameters, said method comprising steps for: (1) recording information concerning values of a plurality of operating parameters for the image-forming apparatus or the photosensitive belt, in a rewritable electronic memory, said information such as to facilitate automatic installation of a new belt and making it operational without manual adjustment by service personnel; (2) removing from the image-forming apparatus a photosensitive belt in need of replacement; (3) installing in the image-forming apparatus a replacement photosensitive belt; (4) communicating the recorded information concerning values of a plurality of operating parameters for the image-forming apparatus or the photosensitive belt from the rewritable electronic memory to an electronic controller means adapted for automatically adjusting operating parameters for the image-forming apparatus or the photosensitive belt; (5) causing the electronic controller means automatically to adjust operating parameters for the image-forming apparatus or the photosensitive belt in accordance with the recorded information communicated from the rewritable electronic memory to the electronic controller means. 10. The method of claim 9, wherein said operating parameters recorded in the rewritable memory include a plurality of data items adapted for facilitating automatic installation of a new belt and making it operational without manual adjustment by service personnel, said plurality of data items selected from a data set comprising: a first data item including the name, name of manufacturer, manufacture data, and usable life of the component installed in the belt cartridge; a second data item representative of an intensity of light for illuminating the photosensitive belt in order to remove an electrostatic latent image; a third data item representative of a value of an electric potential to be applied to the photosensitive belt; and a fourth data item representative of an intensity of light to be emitted from laser scanning units of the printer. hicles, a means for activating an alarm, or a means for heating the portable speed bump cells. ish language Derwent Abstract of DE 195 34 368. said rectangular platform surface being a circular hole disposed near the centre of said rectangular platform surface; said base having a opening on the rear wall thereby the cord of a conventional mouse may pass through therewith allowing a conventional computer mouse to work on said platform surface; said communication means including a first communication member having one end secured at the top of said conical indented area and another end received into said base through said hole on said platform surface, said communication means further including an adapter disposed in said base accepting an external signal and sending it to a host computer; a link member having one end secured at said housing through said first indented area and another end received into said base through said second indented area, said link member is flexible and can move freely within the cavity formed by said first indented area and said second indented area when said first indented area facing said second indented area thereby said housing moveable coplanar to said platform surface as well as moving away from said base. 9. The system in claim 8 wherein said base further includes a plurality of keys representing all the keys in a standard personal computer QWERTY keyboard optionally with the numeric key pad, said platform surface being disposed either on the right or left side of said plurality of keys. 10. The system in claim 7 further includes a link member having one end movably engaged at said housing through said first indented area and another end movably engaged at said base through said second indented area thereby said first indented area facing said second indented area forming a passage allowing said link member to move freely therein when said housing moves coplanar to said platform surface as well as said link member extendible when said housing moves away from said base. 11. The system in claim 10 wherein said first indented area on said housing being a conical having a first opening on the top of the conical, said second indented area on said base being a conical having a second opening near the top of the conical, said link member having a first end extended into said first opening of said first indented area and a second end received into said second opening of said second indented area, said first end of the link member being wider than said first opening thereby preventing said first end from moving out of said first opening and allowing a portion of the body of said link member to move further into said housing, said second end being wider than said second opening thereby preventing said second end from moving out of said second opening and allowing a portion of the body of said link member to move further into said base, thereby enabling said link member to draw into and out of said first and second openings when said housing moves coplanar to said platform surface as well as moves away from said base, said link member being hollow thereby said communication means passing through therein from said housing to said base. 12. The system in claim 11 wherein said link member further includes 2 tubular structures one of which is smaller than the other thereby said smaller tubular structure can draw into and out of said larger tubular structure allowing said link member to change length, thereby enabling said housing to move relative to said base in a greater range of distance. 13. The system in claim 10 wherein said first indented area being a square, said second indented area being a square, said link member having a first end extended into said housing through said first indented area thereby said first end of said link member moveable in directions along the length, width and depth of said first indented area, said link member having a second end extended into said base through said second indented area thereby said second end of said link member moveable in directions along the length, width and depth of said second indented area, said link member having a plate at each of said first and second ends, said plates being wider than the openings of said first and second indented areas thereby said first and second ends of said link member unable to move out of said first and second indented areas, said link member having a body of hollow tubular structure thereby said communication means passing through therein from said house into said base. 14. The system in claim 7 further includes a link member having a first end movably engaged at said housing through said first indented area of said housing thereby said first end of said link member movable in a first direction along the length of said first indented area and in a second direction along the depth of said first indented area, said link member having a second end movably engaged at said base through said second indented area thereby said second end of said link member movable in said second direction along the depth of said second indented area and in a third direction along the length of said second indented area, thereby said housing movable in said first, second and third directions relative to said base. 15. The system in claim 14 wherein said encoder means detects movements of said link member relative to said housing and movements of said link member relative to said base thereby providing indicative signals to a host computer positional and directional information of said housing relative to said base. 16. The system in claim 14 wherein said link member being a hollow tubular structure thereby said communication means passing through therein, said first end of tubular structure extended into said first indented area of said housing, said first indented area of said housing being a first elongated indented area thereby said first end of said tubular structure movable in said first direction along the length of said first elongated indented area, said tubular structure movable in said second direction by moving into and out of said first elongated area along the depth of said first elongated area, said first end of said tubular structure being wider than the opening of said first elongated indented area thereby preventing said first end of said tubular structure from completely moving out of said first elongated indented area, said second end of said tubular structure received into said base through said second indented area of said platform surface, said second indented area of said platform surface being a second elongated indented area thereby said second end of said chamber movable in said third direction along the length of said second elongated indented area, said tubular structure movable in said second direction by moving into and out of said second elongated area along the depth of said elongated area, said second end of said tubular structure being wider than the opening of said second elongated indented area thereby preventing said second end of said tubular structure from completely moving out of said second elongated area. 17. The system in claim 16 wherein said encoder means further includes: a first sensing component being mounted on said first end of said tubular structure thereby detecting movements of said first end of tubular structure relative to said housing; a second sensing component being mounted on said second end of said tubular structure thereby detecting movements of said second end of said tubular structure relative to said base. 18. The system in claim 16 wherein said base further includes a plurality of keys representing all the keys in a standard personal computer QWERTY keyboard optionally with or without the numeric key pads, said platform surface being disposed either on the right or left side of said plurality of keys. 19. The system in claim 16 wherein said base further includes a plurality of keys representing all the keys in a standard personal computer QWERTY keyboard at the left side of said base, said base further includes cursor movement keys r epresenting the Insert, Delete, Page Up, Page Down, Up Arrow, Left Arrow, Down Arrow and Right Arrow disposed at the right side of said QWERTY keys, said base further includes at the right end the numeric key pad keys representing the keys in the numeric key pad in a conventional personal computer keyboard, said platform surface being disposed sidewise between said cursor movement keys and said numeric key pad keys. 20. The system in claim 16 wherein said base further includes a plurality of keys representing all the keys in a standard personal computer QWERTY keyboard at the left side of said base, said base further includes at the right end the numeric key pad keys representing the keys in the numeric key pad in a conventional personal computer keyboard, said base further includes cursor movement keys representing the Insert, Home, Up Arrow, End, Page Up, Delete, Left Arrow, Down Arrow, Right Arrow and Page Down keys, said cursor movement keys being arranged in 2 rows disposed sidewise at the upper portion between the QWERTY keys and said numeric key pad, said platform surface being disposed sidewise at the lower portion between the QWERTY keys and said numeric key pad keys. 21. The system in claim 16 wherein said second end of said tubular structure having a protrusion extended beyond the wider portion of said second end of said tubular structure, said protrusion having an opening facing the direction perpendicular to said link member, said communication means passing through said opening on said protrusion into said base, said protrusion touching a surface inside said base thereby supporting said tubular structure when said tubular structure moves. 22. The system in claim 21 wherein: said housing having a first internal wall imprinted with graphical patterns to be sensed by a first sensing component of said encoding means mounted on said first end of said tubular structure when which moving within said first indented area of said housing, said first sensor being disabled when said first end of said tubular structure moving along the direction of the depth of said first indented area of said housing thereby moving said first sensing component away from said graphical pattern on said first internal wall; said base having an second internal wall imprinted with graphical patterns to be sensed by a second sensing component of said encoding means mounted on said second end of said tubular structure when which moving in said second indented area of said base, said second sensor being disabled when said second end of said tubular structure moving along the direction of the depth of said second indented area of said base thereby moving said first sensing component away from said graphical pattern on said second internal wall. 23. The system in claim 16 wherein said base further includes a plurality of keys representing all the keys in a standard personal computer QWERTY keyboard and including the cursor movement keys representing the Insert, Delete, Page Up, Page Down, Up Arrow, Left Arrow, Down Arrow, Right Arrow, and numeric key pad keys, said platform surface being disposed sidewise below said plurality of keys, said platform being depressed such that said housing when placed on said platform will reach the same height of the non-depressed platform surface. front flap portion but the edges of at least one paper layer at the opening at the back flap portion are stepped laterally outwardly relative to the edges of the plastic in said back flap portion to define an inner bag surface that is substantially entirely covered with said plastic and substantially free from exposed paper. 12. The method according to claim 11 including the step of forming a primary fold line extending transverse to the bag axis and intersecting said opposed side edges at the points where said diagonal fold lines intersect said opposed side edges. 13. The method according to claim 12 wherein step (d) further comprises forming first and second secondary bag fold lines extending parallel to said primary cross bag fold line and each spaced from said primary fold line on opposite sides thereof. 14. The method according to claim 13 including applying adhesive to zones bordering the opposed lateral edges of the opening. 15. The method according to claim 14 including folding said tubular member at said first and second secondary fold lines to close said opening.